Recognizing a faulty fingerprint reader

The fingerprint reader on your Galaxy M52 5G unlocks the device in a few fractions of a second. When it no longer responds to touch, refuses to recognize your finger, or displays a persistent error message, it is time to replace it. This sensor wears out over time, especially if the screen has suffered shocks or if moisture has seeped under the touch glass.

Replacing the sensor will restore smooth biometric unlocking. Unlike other repairs, this intervention touches only one element: the reader operates independently from the rest of the phone's structure, which makes it simple to install for a technician or a patient amateur.

Compatible part certified for the M52 5G

This fingerprint reader is a compatible part, manufactured to work on the Galaxy M52 5G. It offers the same recognition reliability as an original component, at the price of an alternative without markup of origin. The sensor recognizes all registered profiles and self-calibrates on the first unlock after installation.

The White color matches the rear coating of your device. Supplied alone, it mounts directly above the power button located on the edge, without adapting other parts. The connection cable is already soldered to the sensor.

Exact compatibility and affected models

This reader is exclusively suitable for the Samsung Galaxy M52 5G (model reference M526). It does not fit neighboring devices of the same generation, such as the Galaxy M53 5G or the A series models from the 50 range, which have different connection logic. Before ordering, verify that you own the M52 5G and not another reference.

The part is individually tested and delivered functional, ready to be mounted on the phone's existing connection cable. No electronic tools are necessary beyond a screwdriver suitable for the rear casing screws.

Warranty and store commitment

This reader benefits from a 2-year warranty from the date of delivery. During this period, any malfunction or failure to recognize following installation is covered. This warranty covers faulty recognition, complete lack of response to the finger, and cable connection defects.

It does not apply to damage caused by installation itself, exposure to water after mounting, or external shock. The part is supplied alone: the store provides no glue, adhesive, or thermal paste beyond the sensor itself.

What is included in the delivery

One Samsung Galaxy M52 5G White fingerprint reader
The connection cable, pre-installed and ready to be connected

No technical documentation or video tutorial is included. The customer who performs the installation themselves can find guides online for the Galaxy M52 5G, as the process remains the same from one store to another.